 (at the Computer)
 (at the Computer)
 (at the Diskdrive)
 (at the Diskdrive)
19 PIN D-SUB FEMALE at the Computer.
19 PIN D-SUB MALE at the Diskdrive.
| Pin | Name | Dir | Description | 
|---|---|---|---|
| 1 | CGND |  | Chassis ground | 
| 2 | CGND |  | Chassis ground | 
| 3 | CGND |  | Chassis ground | 
| 4 | CGND |  | Chassis ground | 
| 5 | -12V |  | -12 VDC | 
| 6 | +5V |  | +5 VDC | 
| 7 | +12V |  | +12 VDC | 
| 8 | +12V |  | +12 VDC | 
| 9 | n/c | - | Not connected | 
| 10 | PWM | ? | Regulates speed of the drive | 
| 11 | CA0 | ? | Control line to send commands to the drive | 
| 12 | CA1 | ? | Control line to send commands to the drive | 
| 13 | CA2 | ? | Control line to send commands to the drive | 
| 14 | LSTRB | ? | Control line to send commands to the drive | 
| 15 | /WrReq | ? | Turns on the ability to write data to the drive | 
| 16 | HdSel | ? | Control line to send commands to the drive | 
| 17 | /Enbl2 | ? | Enables the Rd line (else Rd is tri-stated) | 
| 18 | Rd |  | Data actually read from the drive | 
| 19 | Wr |  | Data actually written to the drive | 
Note: Direction is Computer relative Diskdrive.
| Contributor: | Ben Harris | 
| Source: | Apple Tech Info Library, Article ID: TECHINFO-0001424 | 
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  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10